The network features both excitatory and inhibitory neurons, to maintain balance. As per prior work ([1]}, [2]}) the ratio of excitatory to inhibitory is set at 4:1, to mirror the ratio of neurons seen in the mammalian brain. Only 20% of feed-forward connections and 30% of lateral connections were kept non-zero, per calculations done about the probability of connections in the cortex being between .1 and .3 ([3]}, [4]}).
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